fix(reset): ensure _supabase connections disconnect before reset

[avallete]

What kind of change does this PR introduce?

• Ensure db reset command work properly on postgres v14

The root cause is that while in pg15+ DATABASE DROP FORCE kill all connections, it's not the case for pg14. Requiring to manually disconnect all connections before performing the reset.

Additional context

Closes #2903

[coveralls]

Pull Request Test Coverage Report for Build 12005516982

Details

• 29 of 31 (93.55%) changed or added relevant lines in 3 files are covered.
• 11 unchanged lines in 2 files lost coverage.
• Overall coverage increased (+0.02%) to 59.57%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
internal/db/reset/reset.go	19	21	90.48%

Files with Coverage Reduction	New Missed Lines	%
internal/gen/keys/keys.go	5	12.9%
internal/utils/misc.go	6	71.3%

Totals
Change from base Build 12004204692:	0.02%
Covered Lines:	6396
Relevant Lines:	10737

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💛 - Coveralls